wasteman废物清洁工wasten.废物；浪费；荒地v.浪费；滥用；消耗adj.荒芜的；无用的；浪费的waste water containing oil含油污水waste periodical discharge定期排污wastewater containing zinc含锌废水wastewater containing salt含盐污水waste and scrap of textile废纺织品wastewater marine disposal污水海洋处置waste electrical equipment电子废物Waste and inferior tobacco废次烟叶waste gold plated articles废镀金件waste heat recovery device余热回收装置